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  3. Sky-high gasoline prices aren’t just raising the cost of Eugene Marino’s 120-mile(193-kilometer)round-trip to his job in the Was

Sky-high gasoline prices aren’t just raising the cost of Eugene Marino’s 120-mile(193-kilometer)round-trip to his job in the Was

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问题     Sky-high gasoline prices aren’t just raising the cost of Eugene Marino’s 120-mile(193-kilometer)round-trip to his job in the Washington area. They’re reducing his wealth, too.
    House prices in his rural subdivision beyond the Blue Ridge Mountains in Charles Town, West Virginia, have plunged as commuting expenses have soared. A four-bedroom home down the street from his is listed for $239,000, after selling new for $360,000 five years ago.
    Homeowners in the exurbs aren’t the only ones whose assets have taken a hit because of the surge in energy costs. Companies such as General Motors Corp. are writing off billions of dollars in plants and equipment that are no longer viable in an age of dearer oil. The destruction of wealth and capital will weigh on U.S. growth for years to come.
    "Our whole economy reflects the relative costs of energy: the cars we drive, the houses we occupy, the kinds of factories we have and the equipment in them," says Dana Johnson, chief economist at Comerica Bank in Dallas. "I’m expecting relatively large changes in all of these things."
    The loss of wealth could be a double whammy for the U.S. economy. In the short run, it depresses demand as homeowners save more and spend less, and companies fire workers. Longer run, it curbs productivity growth, as firms shift their focus from increasing worker efficiency to reducing energy costs.
    "At $4 per gallon gas, $125 per barrel oil and $10 per million Btu natural gas, a lot of activity becomes uneconomical," says Mark Zandi, chief economist at Moody’s Economy.com in West Chester, Pennsylvania.
    The lifestyle of the exurban commuter may be one casualty.
    Emerging suburbs and exurbs—commuter towns that lie beyond cities and their traditional suburbs—grew about 15 percent from 2000 to 2006, nearly three times as fast as the U.S. population, as Americans moved further out in search of more affordable houses or the bigger ones that are sometimes derided as McMansions.
    "It was drive until you qualify for a mortgage," says Robert Lang, director of the Metropolitan Institute at Virginia Tech in Alexandria, Virginia. "You can’t do that anymore. Your cost of transportation will spike too much."
Compared with the present, the loss of wealth will bring about
选项 A、a shrinking market.
B、shortage of labor force.
C、weakening productivity.
D、a lower working efficiency.
答案A
解析 第5段第2句中的depresses demand，spend less等表明需求减少，购买力降低，这些都暗示市场萎缩，由此可见，本题应选A。C、D很具干扰性，C中的productivity和D中的efficiency在第5段第3句提及，要注意的是，it curbs productivity growth表明生产力的发展速度会减缓，这并不意味着生产力会下降，因此C是不正确的；同样道理，即使“公司关注的焦点不再是如何提高员工工作效率”，也不意味着工作效率会降低，D也不正确。
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